Home / 121,436,892.80-182,155,339.20-35,178,113.60

Finding the Fourth Proportional to 121,436,892.80, 182,155,339.20 and 35,178,113.60

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Solution

The fourth proportional to 121,436,892.80, 182,155,339.20 and 35,178,113.60 is: 52,767,170.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,436,892.80 : 182,155,339.20 = 35,178,113.60 : x
  2. Step 2: Convert to fraction form
    121,436,892.80/182,155,339.20 = 35,178,113.60/x
  3. Step 3: Cross multiply
    121,436,892.80x = 182,155,339.20 × 35,178,113.60
  4. Step 4: Simplify right side
    121,436,892.80x = 6,407,881,215,224,133
  5. Step 5: Solve for x
    x = 6,407,881,215,224,133/121,436,892.80
  6. Step 6: Final answer
    x = 52,767,170.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.